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10666885843 is a prime number
BaseRepresentation
bin10011110111100101…
…11100001011010011
31000112101121221112001
421323302330023103
5133321210321333
64522244214431
7525223014355
oct117362741323
930471557461
1010666885843
1145841a7239
12209839a417
13100cc04293
1473295b0d5
154266ddb7d
hex27bcbc2d3

10666885843 has 2 divisors, whose sum is σ = 10666885844. Its totient is φ = 10666885842.

The previous prime is 10666885819. The next prime is 10666885847. The reversal of 10666885843 is 34858866601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10666885843 - 25 = 10666885811 is a prime.

It is a super-3 number, since 3×106668858433 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (10666885847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5333442921 + 5333442922.

It is an arithmetic number, because the mean of its divisors is an integer number (5333442922).

Almost surely, 210666885843 is an apocalyptic number.

10666885843 is a deficient number, since it is larger than the sum of its proper divisors (1).

10666885843 is an equidigital number, since it uses as much as digits as its factorization.

10666885843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6635520, while the sum is 55.

The spelling of 10666885843 in words is "ten billion, six hundred sixty-six million, eight hundred eighty-five thousand, eight hundred forty-three".